SS2 Second Term Fishery Past Questions And Answers
20 SS2 Second Term Fishery questions with options and answers:
Question: What is the term for the practice of cultivating aquatic plants for human use?
a) Algaculture
b) Hydroponics
c) Pisciculture
d) Mariculture
Answer: a) Algaculture
Question: Which fish farming method involves raising fish in artificial containers or tanks?
a) Pond culture
b) Tank culture
c) Cage culture
d) Raceway culture
Answer: b) Tank culture
Question: What is the primary factor influencing the selection of a suitable site for fish farming?
a) Proximity to market
b) Availability of electricity
c) Water quality
d) Soil fertility
Answer: c) Water quality
Question: Which of the following is a common freshwater fish parasite that attaches to the gills of fish?
a) Ichthyophthirius
b) Gyrodactylus
c) Monogenea
d) Trichodina
Answer: b) Gyrodactylus
Question: What is the recommended temperature range for most warm-water fish species in aquaculture?
a) 5-10°C
b) 15-25°C
c) 30-35°C
d) 40-45°C
Answer: b) 15-25°C
Question: Which fishing gear is characterized by a cone-shaped net with a long handle, often used for shallow water fishing?
a) Trawl net
b) Cast net
c) Gill net
d) Seine net
Answer: b) Cast net
Question: What is the term for the removal of excess fish population to maintain a balanced ecosystem in an aquaculture system?
a) Harvesting
b) Culling
c) Grading
d) Sorting
Answer: b) Culling
Question: In aquaculture, what is the process of providing fish with a controlled environment to stimulate reproduction called?
a) Spawning
b) Induction
c) Incubation
d) Hatchery management
Answer: b) Induction
Question: What is the purpose of a settling pond in fish farming?
a) Filtration of water
b) Oxygenation
c) Removal of suspended solids
d) Temperature control
Answer: c) Removal of suspended solids
Question: Which vitamin is essential for the prevention of diseases and proper immune function in fish?
a) Vitamin A
b) Vitamin D
c) Vitamin E
d) Vitamin C
Answer: d) Vitamin C
Question: What is the term for the protective response of fish to stress, such as crowding or handling?
a) Adaptation
b) Acclimatization
c) Panic response
d) Fight-or-flight
Answer: b) Acclimatization
Question: Which of the following is a common method for preserving fish?
a) Freeze-drying
b) Pickling
c) Dehydration
d) All of the above
Answer: d) All of the above
Question: What is the purpose of a fish grading machine in a hatchery?
a) Separating fish by species
b) Sorting by size
c) Determining gender
d) Vaccination
Answer: b) Sorting by size
Question: Which type of aquaculture system uses natural or artificial wetlands to treat and purify water?
a) Recirculating aquaculture system (RAS)
b) Integrated aquaculture
c) Constructed wetland system
d) Open pond system
Answer: c) Constructed wetland system
Question: What is the term for the practice of raising fish and crops together in a symbiotic environment?
a) Polyculture
b) Monoculture
c) Aquaponics
d) Hydroponics
Answer: c) Aquaponics
Question: Which factor is crucial for the successful transportation of live fish?
a) Low oxygen levels
b) High ammonia concentration
c) Rapid water flow
d) Adequate oxygen supply
Answer: d) Adequate oxygen supply
Question: What is the primary purpose of a fishery extension service?
a) Promoting overfishing
b) Providing information and support to fish farmers
c) Ignoring sustainable practices
d) Contaminating water bodies
Answer: b) Providing information and support to fish farmers
Question: Which term refers to the process of converting fish waste into valuable nutrients for plant growth in aquaponics?
a) Filtration
b) Nitrification
c) Denitrification
d) Mineralization
Answer: b) Nitrification
Question: What is the common name for the method of fish harvesting using electricity to stun the fish temporarily?
a) Electrofishing
b) Trawling
c) Seining
d) Gillnetting
Answer: a) Electrofishing
Question: In fish farming, what is the process of removing undesirable fish from the population to improve overall quality called?
a) Purging
b) Culling
c) Grading
d) Induction
Answer: c) Grading.
